August Weather in Massy, France

Last updated: August 23, 2025

In August, the average temperature in Massy, France is a pleasant 20°C (68°F), with a range that can dip as low as 7°C (44°F) and soar up to 37°C (99°F). Expect around 60 mm (2.3 in) of precipitation spread over 10 days, contributing to an average humidity of 68%. Whether you're seeking sunshine or a refreshing shower, August showcases the diverse and vibrant climate of Massy.

August Temperature in Massy

In August in Massy, the average temperature is 20°C (68°F). Maximum temperatures can reach 37°C (99°F), while minimums can drop as low as 7°C (44°F). Travelers should be prepared for a range of temperatures, ensuring they pack both light clothing for warm days and layers for cooler evenings.

August Weather in Massy: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Massy, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Massy, August typically has an average temperature of 20°C (68°F), with highs reaching up to 37°C (99°F) and lows dropping to around 7°C (44°F).

Data source: Temperature data for Massy generated using information from the Copernicus Climate Change Service.

August Precipitation in Massy

In Massy in August, the precipitation amount is 60 mm (2.3 in) over a span of 10 days.

August Precipitation Trends in Massy

The chart displays monthly precipitation patterns in Massy, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Massy, August typically receives around 60 mm (2.3 inches) of precipitation spread over approximately 10 days.

Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

August Humidity in Massy

In Massy in August humidity is 68%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace, making it ideal for leisurely strolls while also prompting travelers to stay hydrated and seek out refreshing breaks from the heat.

August Average Humidity in Massy

This chart illustrates the average monthly humidity levels in Massy, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Massy is approximately 68%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Massy

In Massy in August, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Massy.

Maximum UV Index Levels in Massy for August

The chart shows the monthly maximum UV Index (UVI) for Massy in August, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In August, the maximum UV index in Massy typically reaches 8, which falls under the very high exposure category.

Data source: Massy August UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How August Weather in Massy Compares to Other Months

Weather in Massy varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Massy, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Massy, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (40°F)	57 mm (2.2 inches)	91%	low
February Weather	6°C (43°F)	67 mm (2.6 inches)	89%	moderate
March Weather	8°C (47°F)	74 mm (2.9 inches)	85%	moderate
April Weather	11°C (52°F)	33 mm (1.3 inches)	84%	high
May Weather	14°C (58°F)	75 mm (3.0 inches)	82%	very high
June Weather	19°C (66°F)	74 mm (2.9 inches)	80%	very high
July Weather	20°C (69°F)	51 mm (2.0 inches)	73%	very high
August Weather	20°C (68°F)	60 mm (2.3 inches)	68%	very high
September Weather	17°C (62°F)	49 mm (1.9 inches)	76%	high
October Weather	13°C (55°F)	79 mm (3.1 inches)	88%	moderate
November Weather	8°C (46°F)	65 mm (2.6 inches)	92%	low
December Weather	6°C (43°F)	102 mm (4.0 inches)	93%	low